CN219348206U - Wheel set abrasion test device - Google Patents
Wheel set abrasion test device Download PDFInfo
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- CN219348206U CN219348206U CN202223423688.3U CN202223423688U CN219348206U CN 219348206 U CN219348206 U CN 219348206U CN 202223423688 U CN202223423688 U CN 202223423688U CN 219348206 U CN219348206 U CN 219348206U
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Abstract
The utility model relates to a wheel set abrasion test device, relates to the technical field of railway transportation equipment, and is used for solving the problem of lower test efficiency of wheel shoe abrasion tests. Comprising the following steps: a wheel set; the first driving assembly is connected with the wheel set and is used for driving the wheel set to rotate; and a brake head arranged corresponding to the wheel set; and the second driving assembly is connected with the brake head and used for controlling the brake head to act so as to brake the rotating wheel pair. In the utility model, the first driving component is used for controlling the wheel set to rotate, and the second driving component is used for driving the brake head to act so as to brake the wheel set. The wheel set abrasion test device is simple in structure and can be used for rapidly carrying out wheel shoe abrasion tests. Thereby avoiding the problem of lower test efficiency of the wheel tile abrasion test method in the prior art. And further ensures the test efficiency of the wheel shoe abrasion test.
Description
Technical Field
The utility model relates to the technical field of railway transportation equipment, in particular to a wheel set abrasion test device.
Background
For rail vehicles, especially railway wagons, the coupling between the form of the foundation brake of the bogie and the wheel brake shoes is an important factor affecting the wear of the wheels of the railway vehicle, due to the structure of the railway wagon bogie and the like. The art of solely investigating wear between wheel brake shoes is still immature and has greatly limited the investigation of wear relationships between rail wagon wheel brake shoes.
In the prior art, a whole vehicle test method (refer to China patent CN 113642151A) is adopted, wheels are driven to rotate through driving wheels, and a brake device is used for enabling wheel tiles to contact and abrade.
However, the test method has higher cost, complex process of replacing the wheel set and the brake shoe, longer time consumption, inconvenience in measuring the abrasion data of the wheel shoe and lower test efficiency.
Disclosure of Invention
The utility model provides a wheel set abrasion test device which is used for solving the problem of low test efficiency of a wheel shoe abrasion test.
The utility model provides a wheel set abrasion test device, which comprises: a wheel set; the first driving assembly is connected with the wheel set and is used for driving the wheel set to rotate; and a brake head arranged corresponding to the wheel set; and the second driving assembly is connected with the brake head and used for controlling the brake head to act so as to brake the rotating wheel pair.
In one embodiment, the second drive assembly includes: the transmission structure is connected with the brake head; the driving structure is connected with the transmission structure; the driving structure is used for driving the transmission structure to control the brake head to act.
In one embodiment, the transmission structure comprises: the fixed seat is fixed on the external supporting device; one end of the multi-link mechanism is hinged with the fixed seat, and the other end of the multi-link mechanism is hinged with the brake head; the driving structure is connected with the multi-link mechanism, and can push the multi-link mechanism along a first direction, and the multi-link mechanism is stressed to drive the brake head to act so as to brake the wheel pair.
In one embodiment, the multi-link mechanism includes: one end of the first control lever is hinged with the fixed seat; and a second control lever, one end of which is hinged with the other end of the first control lever, and the other end of which is hinged with the brake head; the driving structure is connected with the second control lever, and the connecting part of the driving structure and the second control lever is positioned between two ends of the second control lever.
In one embodiment, the connection of the drive structure to the second control lever is located at a midpoint of the second control lever.
In one embodiment, the driving structure includes: one end of the driving rod is connected with the transmission structure; and the electric push rod is connected with the other end of the driving rod.
In one embodiment, the driving structure includes: one end of the driving rod is connected with the transmission structure; and a driving cylinder connected with the other end of the driving rod.
In one embodiment, the drive cylinder is a hydraulic cylinder or an air cylinder.
In one embodiment, the first drive assembly includes: a first driving motor; the second driving motor is arranged opposite to the first driving motor in a second direction; one end of the wheel set is connected with the driving end of the first driving motor, the other end of the wheel set is connected with the driving end of the second driving motor, and the wheel set is in a suspended state when the wheel set is connected with the first driving motor and the second driving motor.
In one embodiment, the brake head comprises a brake shoe in contact with the wheel set, wherein the degree of braking of the wheel set by the brake head is controlled by adjusting the degree of tightening of the brake shoe with the wheel set.
Compared with the prior art, the utility model has the advantages that the wheel set is controlled to rotate by the first driving component, and the brake head is driven to act by the second driving component so as to brake the wheel set. The wheel set abrasion test device is simple in structure and can be used for rapidly carrying out wheel shoe abrasion tests. Thereby avoiding the problem of lower test efficiency of the wheel tile abrasion test method in the prior art. And further ensures the test efficiency of the wheel shoe abrasion test.
Drawings
The utility model will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a wheel set wear test device in accordance with an embodiment of the present utility model;
fig. 2 is a schematic view of the wheel set wear test device of fig. 1 from another perspective.
Reference numerals:
10. a wheel set; 20. a first drive assembly; 21. a first driving motor; 22. a second driving motor; 30. a second drive assembly; 31. a transmission structure; 311. a fixing seat; 312. a multi-link mechanism; 3121. a first control lever; 3122. a second control lever; 32. a driving structure; 321. a driving rod; 322. an electric push rod; 40. a brake head; 41. a brake shoe; 50. and a brake lever.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
Note that, the first direction in the present application is the horizontal direction in fig. 2, and the second direction in the present application is the horizontal direction in fig. 1.
As shown in fig. 1 and 2, the present utility model provides a wheel set wear test device for conducting a wheel shoe wear test, comprising a wheel set 10, a first drive assembly 20, a brake head 40, and a second drive assembly 30. The first driving assembly 20 is connected with the wheel set 10, and the first driving assembly 20 is used for driving the wheel set 10 to rotate. The brake head 40 is disposed corresponding to the wheel set 10, and the second drive assembly 30 is connected to the brake head 40, and the second drive assembly 30 is used for controlling the brake head 40 to act to brake the rotating wheel set 10.
In the above arrangement, the wheel set 10 is controlled to rotate by the first driving assembly 20, and the brake head 40 is driven to act by the second driving assembly 30 to brake the wheel set 10. The wheel set abrasion test device is simple in structure and can be used for rapidly carrying out wheel shoe abrasion tests. Thereby avoiding the problem of lower test efficiency of the wheel tile abrasion test method in the prior art. And further ensures the test efficiency of the wheel shoe abrasion test.
Specifically, as shown in fig. 1 and 2, in one embodiment, the second drive assembly 30 includes a transmission structure 31 and a drive structure 32. Wherein the transmission structure 31 is connected to the brake head 40 and the driving structure 32 is connected to the transmission structure 31. The drive structure 32 is used to drive the transmission structure 31 to control the actuation of the brake head 40.
Specifically, as shown in fig. 1 and 2, in one embodiment, the transmission structure 31 includes a fixed seat 311 and a multi-link mechanism 312. Wherein the fixing base 311 is fixed on an external supporting device, one end of the multi-link mechanism 312 is hinged with the fixing base 311, and the other end is hinged with the brake head 40. The driving structure 32 is connected with the multi-link mechanism 312, the driving structure 32 can push the multi-link mechanism 312 along the first direction, and the multi-link mechanism 312 is forced to act to drive the brake head 40 to act to brake the wheel set 10.
In the above arrangement, the multi-link mechanism 312 is capable of simulating the movement track of the brake lever 50, so that the wheel set abrasion test apparatus can simulate the actual braking condition of the wheel set 10. Thereby ensuring the authenticity and reliability of the test.
It should be noted that, as shown in fig. 1 and 2, in one embodiment, the multi-bar linkage 312 is connected to one end of the brake lever 50, and the other end of the brake lever 50 is connected to the brake head 40. The brake lever 50 is a tripod. The wheel set abrasion test device further comprises sliding plates, sliding grooves are formed in the sliding plates, and two ends of the brake lever 50 are respectively located in the sliding grooves of the two sliding plates. The brake lever 50 slides in the direction of extension of the two runners.
Specifically, as shown in fig. 1 and 2, in one embodiment, the multi-link mechanism 312 includes a first control lever 3121 and a second control lever 3122. One end of the first control lever 3121 is hinged to the fixing seat 311, one end of the second control lever 3122 is hinged to the other end of the first control lever 3121, and the other end is hinged to the brake head 40. The driving structure 32 is connected to the second control lever 3122, and a connection of the driving structure 32 to the second control lever 3122 is located between both ends of the second control lever 3122.
Specifically, as shown in fig. 1 and 2, in one embodiment, the connection of the drive structure 32 to the second control lever 3122 is located at a midpoint of the second control lever 3122.
The midpoint position of the second control lever 3122 refers to a midpoint position in the length direction of the second control lever 3122.
Specifically, as shown in fig. 1 and 2, in one embodiment, the drive structure 32 includes a drive rod 321 and an electric push rod 322. One end of the driving rod 321 is connected with the transmission structure 31, and the electric push rod 322 is connected with the other end of the driving rod 321.
Of course in alternative embodiments not shown in the drawings of the present application, the drive structure 32 comprises a drive rod 321 and a drive cylinder.
Of course in alternative embodiments not shown in the drawings of the present application the drive cylinder is a hydraulic cylinder or an air cylinder.
Specifically, as shown in fig. 1 and 2, in one embodiment, the first drive assembly 20 includes a first drive motor 21 and a second drive motor 22. Wherein, the second driving motor 22 and the first driving motor 21 are oppositely arranged in the second direction, one end of the wheel set 10 is connected with the driving end of the first driving motor 21, the other end of the wheel set 10 is connected with the driving end of the second driving motor 22, and the wheel set 10 is in a suspended state when the wheel set 10 is connected with the first driving motor 21 and the second driving motor 22.
Specifically, as shown in FIGS. 1 and 2, in one embodiment, brake head 40 includes a brake shoe 41, brake shoe 41 being in contact with wheel set 10, wherein the degree of braking of wheel set 10 by brake head 40 is controlled by adjusting the degree of tightening of brake shoe 41 with wheel set 10.
The application also provides a wheel pad abrasion test method for braking Liang Ganggan of the wheel set, which comprises the following specific steps:
setting a rated rotation speed of a motor, and driving a wheel pair to rotate at a specified rotation speed through the motor (a first driving motor and a second driving motor), so as to simulate the normal motion of a railway vehicle;
secondly, when a braking instruction is received, a motor (an electric push rod) starts to work, a multi-link mechanism is driven to move through a fixed distance of movement of a driving rod, and the movement is transmitted to a braking lever, so that a sliding block at the end part of the braking lever moves along a sliding groove, the braking lever moves towards the direction close to a wheel, and a brake shoe on a brake head is tightly attached to the wheel through movement transmission;
thirdly, after braking for a certain time, the motor (electric push rod) reversely works to drive the driving rod to move towards the motor (electric push rod) to drive the multi-link mechanism to move and transmit the multi-link mechanism to the brake lever, and the brake lever also starts to move towards the motor (electric push rod) to finally separate the brake shoe from the wheel of the wheel set;
fourthly, when the brake shoe is separated from the wheel, the motor (the first driving motor and the second driving motor) starts to slowly reduce the rotating speed to zero, and the rotating speed of the driving wheel set is gradually reduced to zero, so that one braking process is finished;
and fifthly, the first step to the fourth step are repeated, and after the set target braking requirement is met, the wheel tread profile and the brake shoe thickness are measured, so that the wheel wear conditions under different working conditions are analyzed, and the factors influencing the wheel wear are researched.
The application provides a wheel shoe abrasion test method for wheel set brake beam braking based on a wheel shoe abrasion test bed, which can well simulate the characteristics of the wheel shoe action relationship in the railway vehicle braking process, and other characteristics such as environmental temperature, tread temperature, brake shoe temperature, bearing temperature, brake shoe abrasion amount, wheel tread abrasion amount and the like, for the interaction relationship of the wheel shoe (the wheels of the wheel set and the brake shoe 41) in the railway vehicle braking process, and comprehensively considers the characteristics such as the wheel shoe stress effect, the circulating braking and the like.
It should be noted that, the present application can simulate various actual conditions of different wheel pairs and braking devices in the braking process by adjusting parameters such as braking thrust, wheel rotation speed, wheel diameter, etc. By controlling the parameter variables; the method can provide a more realistic and good test environment for the wheel shoe action relationship in the railway vehicle braking process, and the research result is more reliable and accurate.
As can be seen from the above embodiments, the first driving unit 20 is used to control the rotation of the wheel set 10, and the second driving unit 30 is used to drive the brake head 40 to brake the wheel set 10. The wheel set abrasion test device is simple in structure and can be used for rapidly carrying out wheel shoe abrasion tests. Thereby avoiding the problem of lower test efficiency of the wheel tile abrasion test method in the prior art. And further ensures the test efficiency of the wheel shoe abrasion test.
While the utility model has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
In the present utility model, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the utility model without departing from the principles thereof are intended to be comprehended by those skilled in the art and are intended to be within the scope of the utility model.
Claims (10)
1. A wheel set wear test device, comprising:
a wheel set; and
the first driving assembly is connected with the wheel set and used for driving the wheel set to rotate; and
a brake head arranged corresponding to the wheel set; and
and the second driving assembly is connected with the brake head and is used for controlling the brake head to act so as to brake the rotating wheel set.
2. The wheel set wear test device of claim 1, wherein the second drive assembly includes:
a transmission structure connected with the brake head; and
the driving structure is connected with the transmission structure;
wherein the driving structure is used for driving the transmission structure to control the brake head to act.
3. The wheel set wear test device of claim 2, wherein the transmission structure comprises:
the fixed seat is fixed on the external supporting device; and
one end of the multi-link mechanism is hinged with the fixed seat, and the other end of the multi-link mechanism is hinged with the brake head;
the driving structure is connected with the multi-link mechanism, the driving structure can push the multi-link mechanism along a first direction, and the multi-link mechanism is stressed to drive the brake head to act so as to brake the wheel set.
4. A wheel set wear test device in accordance with claim 3, wherein the multi-bar mechanism includes:
one end of the first control lever is hinged with the fixed seat; and
a second control lever having one end hinged to the other end of the first control lever and the other end hinged to the brake head;
the driving structure is connected with the second control lever, and the connection part of the driving structure and the second control lever is positioned between two ends of the second control lever.
5. The wheel set wear test device of claim 4, wherein the connection of the drive structure to the second control lever is at a midpoint of the second control lever.
6. The wheel set wear test device of claim 2, wherein the drive structure comprises:
one end of the driving rod is connected with the transmission structure; and
and the electric push rod is connected with the other end of the driving rod.
7. The wheel set wear test device of claim 2, wherein the drive structure comprises:
one end of the driving rod is connected with the transmission structure; and
and the driving cylinder is connected with the other end of the driving rod.
8. The wheel set wear test device of claim 7, wherein the drive cylinder is a hydraulic cylinder or an air cylinder.
9. The wheel set wear test device of claim 1, wherein the first drive assembly includes:
a first driving motor; and
the second driving motor is oppositely arranged with the first driving motor in a second direction;
one end of the wheel set is connected with the driving end of the first driving motor, the other end of the wheel set is connected with the driving end of the second driving motor, and the wheel set is in a suspended state when the wheel set is connected with the first driving motor and the second driving motor.
10. The wheel set wear test device of claim 1, wherein the brake head includes a brake shoe that contacts the wheel set, wherein the extent of braking of the wheel set by the brake head is controlled by adjusting the degree of tightening of the brake shoe to the wheel set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223423688.3U CN219348206U (en) | 2022-12-19 | 2022-12-19 | Wheel set abrasion test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223423688.3U CN219348206U (en) | 2022-12-19 | 2022-12-19 | Wheel set abrasion test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219348206U true CN219348206U (en) | 2023-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223423688.3U Active CN219348206U (en) | 2022-12-19 | 2022-12-19 | Wheel set abrasion test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219348206U (en) |
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2022
- 2022-12-19 CN CN202223423688.3U patent/CN219348206U/en active Active
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